The light radiated from the Sun's surface reaches Earth in about 8 minutes,but the energy of that light was released by fusion in the solar core about
A)three days ago.
B)one hundred years ago.
C)one thousand years ago.
D)a few hundred thousand years ago.

Question

Quizplus · Accepted Answer

The energy produced by fusion in the core of the Sun takes a very long time to reach the surface due to the dense material it must pass through. This process, known as radiative diffusion, can take up to a few hundred thousand years. Once the energy reaches the surface and is emitted as light, it then takes about 8 minutes to travel to Earth.

The Light Radiated from the Sun's Surface Reaches Earth in About